| base-name | initform "Listener", initargs Base-Name, accessors Base-Name. |
| catch-errors | initargs Catch-Errors, accessors Catch-Errors. |
| function-args | initargs Function-Args, accessors Function-Args. |
| name | initform "", initargs Name, accessors Name. |
| number-fixed-workers | initargs Number-Fixed-Workers, accessors Number-Fixed-Workers. |
| port | initargs Port, accessors Port. |
| process | initargs Process, accessors Process. |
| remote-host-checker | initargs Remote-Host-Checker, accessors Remote-Host-Checker. |
| socket | initargs Socket, accessors Socket. |
| timeout | initargs Timeout, accessors Timeout. |
| wait | initargs Wait, accessors Wait. |
| workers | accessors Workers. |
